Yes, fish oil can effectively help with your dry eyes. Fish oil, rich in Omega-3 fatty acids, vitamin A and DHA containing a lot of properties that can help decrease dry eye, increase tear production and secretion and reduce apoptosis, cell death in the lacrimal glands. Omega-3 can also reduce triglyceride by reducing VLDL from the blood, lower the infections in the eyes, and they can help reduce the dryness symptoms while maintain the eye health. What's more, it can also help reduce inflammation caused by dry eyes, reduce high eye pressure and prevent some eye conditions like diabetic retinopathy. Fish oil is also a preventive effect to myopia, glaucoma, cataract and many other eye diseases. As for dry eyes that can lead to extremely annoying, cause blurred vision, redness, a gritty, scratchy sensation or burning in the eyes, you should intake some fish oil and more foods rich in vitamins, such as liver, milk, egg, green leafy vegetables, carrots, and sweet potatoes.